#664739

#664739

Overview

#664739 is a warm, dark color. In RGB it is 102, 71, 57, in HSL 18.7°, 28.3%, 31.2%, and in CMYK 0.0%, 30.4%, 44.1%, 60.0%. The nearest named color is RAL 8011 Nut Brown.

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Color Values

HEX

#664739

RGB

102, 71, 57

HSL

18.7, 28.3%, 31.2%

HSV

18.7, 44.1%, 40.0%

CMYK

0.0%, 30.4%, 44.1%, 60.0%

OKLCH

0.4283 0.0484 45.3

Properties

Color Psychology

Dark browns like chocolate and espresso project richness, indulgence, and masculine elegance. They carry the warmth of wood-paneled studies and aged leather, evoking comfort and established tradition. These deep tones suggest solidity, dependability, and mature sophistication.

Design Usage

Dark brown excels as a text color alternative to pure black, providing warmth and reducing visual harshness. It suits coffee roasters, chocolate brands, and heritage accessories with a tradition focus. Pair it with cream, gold, or burnt orange for a luxurious, warm-toned design system.

Color Harmonies

Color Blindness Simulation

CSS Usage

background-color: #664739;
color: #664739;
border-color: #664739;
Nearest Tailwind: Stone 600 #57534E

Tailwind Shades

Contrast Checker

Text on white

8.32:1

AA Pass AAA Pass

Text on black

2.53:1

AA Fail AAA Fail

Compare With

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Frequently Asked Questions

What are the RGB, HSL, and CMYK values of #664739?

RGB(102, 71, 57) · HSL(18.7, 28.3%, 31.2%) · CMYK(0.0%, 30.4%, 44.1%, 60.0%)

Does #664739 meet WCAG contrast on white?

8.32:1 — WCAG AA Pass, AAA Pass for normal text.

What text color is readable on #664739?

Use FFFFFF text on a #664739 background; contrast on black is 2.53:1.